git.sesse.net Git - kdenlive/blob - src/titlewidget.cpp

   1 /***************************************************************************
   2                           titlewidget.h  -  description
   3                              -------------------
   4     begin                : Feb 28 2008
   5     copyright            : (C) 2008 by Marco Gittler
   6     email                : g.marco@freenet.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "titlewidget.h"
  19 #include "graphicsscenerectmove.h"
  20 #include <QGraphicsView>
  21 #include <KDebug>
  22 #include <QGraphicsItem>
  23 int settingUp=false;
  24
  25 TitleWidget::TitleWidget (QDialog *parent):QDialog(parent){
  26         setupUi(this);
  27         connect (newTextButton,SIGNAL(clicked()), this, SLOT( slotNewText()));
  28         connect (newRectButton,SIGNAL(clicked()), this, SLOT( slotNewRect()));
  29         connect (kcolorbutton, SIGNAL ( clicked()), this, SLOT( slotChangeBackground()) ) ;
  30         connect (horizontalSlider, SIGNAL ( valueChanged(int) ), this, SLOT( slotChangeBackground()) ) ;
  31         connect (ktextedit, SIGNAL(textChanged()), this , SLOT (textChanged()));
  32         connect (fontColorButton, SIGNAL ( clicked()), this, SLOT( textChanged()) ) ;
  33         //connect (fontBold, SIGNAL ( clicked()), this, SLOT( setBold()) ) ;
  34
  35         connect (kfontrequester, SIGNAL ( fontSelected(const QFont &)), this, SLOT( textChanged()) ) ;
  36         connect(textAlpha, SIGNAL( valueChanged(int) ), this, SLOT (textChanged()));
  37         //connect (ktextedit, SIGNAL(selectionChanged()), this , SLOT (textChanged()));
  38
  39         connect(rectFAlpha, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  40         connect(rectBAlpha, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  41         connect(rectFColor, SIGNAL( clicked() ), this, SLOT (rectChanged()));
  42         connect(rectBColor, SIGNAL( clicked() ), this, SLOT (rectChanged()));
  43         connect(rectLineWidth, SIGNAL( valueChanged(int) ), this, SLOT (rectChanged()));
  44
  45         connect (startViewportX,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  46         connect (startViewportY,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  47         connect (startViewportSize,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  48         connect (endViewportX,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  49         connect (endViewportY,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  50         connect (endViewportSize,SIGNAL(valueChanged(int)), this, SLOT( setupViewports()));
  51
  52         GraphicsSceneRectMove *scene=new GraphicsSceneRectMove(this);
  53         startViewport=new QGraphicsPolygonItem(QPolygonF(QRectF(0,0,0,0)));
  54         endViewport=new QGraphicsPolygonItem(QPolygonF(QRectF(0,0,0,0)));
  55
  56         startViewportSize->setValue(40);
  57         endViewportSize->setValue(40);
  58
  59         scene->addItem(startViewport);
  60         scene->addItem(endViewport);
  61
  62
  63  // a gradient background
  64         QRadialGradient *gradient=new QRadialGradient(0, 0, 10);
  65         gradient->setSpread(QGradient::RepeatSpread);
  66         //scene->setBackgroundBrush(*gradient);
  67
  68         graphicsView->setScene(scene);
  69         connect (graphicsView->scene(), SIGNAL (selectionChanged()), this , SLOT( selectionChanged()));
  70
  71         graphicsView->show();
  72         graphicsView->setRenderHint(QPainter::Antialiasing);
  73         graphicsView->setInteractive(true);
  74         graphicsView->resize(400, 300);
  75         //update();
  76 }
  77
  78 void TitleWidget::slotNewRect(){
  79
  80         QGraphicsRectItem * ri=graphicsView->scene()->addRect(-50,-50,100,100);
  81         ri->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);
  82 }
  83 void TitleWidget::slotNewText(){
  84         QGraphicsTextItem *tt=graphicsView->scene()->addText("Text here");
  85         tt->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);
  86         tt->setTextInteractionFlags (Qt::TextEditorInteraction);
  87         connect (tt->document(), SIGNAL (contentsChanged()), this, SLOT(selectionChanged()));
  88         kDebug() << tt->metaObject()->className();
  89         /*QGraphicsRectItem * ri=graphicsView->scene()->addRect(-50,-50,100,100);
  90         ri->setFlags(QGraphicsItem::ItemIsMovable|QGraphicsItem::ItemIsSelectable);*/
  91
  92 }
  93
  94 void TitleWidget::selectionChanged(){
  95         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
  96         if (l.size()==1){
  97                 kDebug() << (l[0])->type();
  98                 if ((l[0])->type()==8  ){
  99                         QGraphicsTextItem* i=((QGraphicsTextItem*)l[0]);
 100                         if (l[0]->hasFocus() )
 101                         ktextedit->setHtml(i->toHtml());
 102                         toolBox->setCurrentIndex(1);
 103                 }else
 104                 if ((l[0])->type()==3){
 105                         settingUp=true;
 106                         QGraphicsRectItem *rec=((QGraphicsRectItem*)l[0]);
 107                         toolBox->setCurrentIndex(2);
 108                         rectFAlpha->setValue(rec->pen().color().alpha());
 109                         rectBAlpha->setValue(rec->brush().isOpaque() ? rec->brush().color().alpha() : 0);
 110                         kDebug() << rec->brush().color().alpha();
 111                         QColor fcol=rec->pen().color();
 112                         QColor bcol=rec->brush().color();
 113                         //fcol.setAlpha(255);
 114                         //bcol.setAlpha(255);
 115                         rectFColor->setColor(fcol);
 116                         rectBColor->setColor(bcol);
 117                         settingUp=false;
 118                         rectLineWidth->setValue(rec->pen().width());
 119                 }
 120                 else{
 121                         //toolBox->setCurrentIndex(0);
 122                 }
 123         }
 124 }
 125
 126 void TitleWidget::slotChangeBackground(){
 127         QColor color=kcolorbutton->color();
 128         color.setAlpha(horizontalSlider->value());
 129         graphicsView->scene()->setBackgroundBrush(QBrush(color));
 130 }
 131
 132 void TitleWidget::textChanged(){
 133         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 134         if (l.size()==1 && (l[0])->type()==8 && !l[0]->hasFocus()){
 135                 kDebug() << ktextedit->document()->toHtml();
 136                 ((QGraphicsTextItem*)l[0])->setHtml(ktextedit->toHtml());
 137         }
 138 }
 139
 140 void TitleWidget::rectChanged(){
 141         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 142         if (l.size()==1 && (l[0])->type()==3 && !settingUp){
 143                 QGraphicsRectItem *rec=(QGraphicsRectItem*)l[0];
 144                 QColor f=rectFColor->color();
 145                 f.setAlpha(rectFAlpha->value());
 146                 QPen penf(f);
 147                 penf.setWidth(rectLineWidth->value());
 148                 rec->setPen(penf);
 149                 QColor b=rectBColor->color();
 150                 b.setAlpha(rectBAlpha->value());
 151                 rec->setBrush(QBrush(b));
 152         }
 153 }
 154
 155 void TitleWidget::fontBold(){
 156         QList<QGraphicsItem*> l=graphicsView->scene()->selectedItems();
 157         if (l.size()==1 && (l[0])->type()==8 && !l[0]->hasFocus()){
 158                 //ktextedit->document()->setTextOption();
 159         }
 160 }
 161
 162 void TitleWidget::setupViewports(){
 163         double aspect_ratio=4.0/3.0;//read from project
 164
 165         QRectF sp(startViewportX->value(), startViewportY->value(),0,0);
 166         QRectF ep(endViewportX->value(),endViewportY->value(),0,0);
 167
 168         double sv_size=startViewportSize->value();
 169         double ev_size=endViewportSize->value();
 170         sp.adjust(-sv_size,-sv_size/aspect_ratio,sv_size,sv_size/aspect_ratio);
 171         ep.adjust(-ev_size,-ev_size/aspect_ratio,ev_size,ev_size/aspect_ratio);
 172
 173         startViewport->setPolygon(QPolygonF(sp));
 174         endViewport->setPolygon(QPolygonF(ep));
 175
 176
 177
 178
 179 }
 180 #include "moc_titlewidget.cpp"
 181